addActionListener(this) 中的this问题public class JP extends JFrame implements ActionListener{JPanel panel1=new JPanel();.panel2.add(A=new JButton("7"));.A.addActionListener(this);.}1.这个this是调用当前对象? 2.如果我不想用“this”

addActionListener(this) 中的this问题public class JP extends JFrame implements ActionListener{JPanel panel1=new JPanel();.panel2.add(A=new JButton(7));.A.addActionListener(this);.}1.这个this是调用当前对象? 2.如果我不想用“this” ()()()th()() ()()th()() ()()th()() ()()()th()() ()()()th()() ()()th()() 填写字母,成为单词. button.addActionListener(this)中的this是啥意思,是指button本身还是该代码所在类,能用其他等效吗? 用th组英语单词( )( )( )th( )( )( )( )th( )( ）( )( )th( )( )( )( )th( ） ( )( )th( )英语单词 10th m( )( )th TH是什么意思? TH是什么意思 ( ) ( ) ( )th( ) ( )填空 4TH 4th 5th 6th 7th 8th 9th 10th 11th hhh 15th是什么意思?th是什么意思 在横线上添适当的字母,组成单词---th----th----th-----th---th--th- ()()()th()() ()()th()() ()() th()() ()()()th ()()()th ()()th() 在括号里填入字母成为单词 填上英语字母,使每一横行都组成单词()()()th()()()()th()()()()th()()()()()th()()()th()()th() 带th的单词有哪些?如下： ***th** **th** **th** ***th ***th **th*“*”就是一个字母!可以填什么呀! 英文日期缩写 这样对?1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th ； 11th 12th 13th 14th 15th 16th 17th1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th ； 11th 12th 13th 14th 15th 16th 17th 18th 19th 20th ； 21st 22nd 23rd 24th 25th 26th 27th 28th 29t